automatic hard roof is not working?

Hello everyone! I have recently bought a Megane 2 model from 2005 from a friend. The problem with the car is that its automatic hard roof is not working. The case is that it used to work before, but, after the battery was dead for a while, and got replaced, for some reason the roof has stopped working. When I press the roof button, the ‘beep’ comes and then some ‘click’ sound from boot, but nothing is moving. Then a roof defect message comes to the speedometer screen. In addition to this, the rear windows are also not working. Neither from central button, nor from the individual buttons. I have checked it in a “service laptop” for error codes. There were three error codes related to the roof. 1) solenoid valve is not functioning. 2) control unit is not functioning. 3) roof is off the track. But to be honest none of them make sense to me. Please could you give me some advice about what can be the reason for that? Thanks a lot for any advice in advance.